#define _CRT_SECURE_NO_WARNINGS
#include<stdio.h>
int main()
{
	int a, b;
	scanf("a=%d,b=%d",&a,&b);
	printf("a+b=%2d\n", a + b);
	printf("a-b=%2d\n", a - b);
	printf("a*b=%2d\n", a * b);
	printf("a/b=%5.2f\n", (float)a / b);
	printf("a%%b=%2d\n", a % b);

	return 0;
}